escape解决AJAX中文乱码的简单方法

<%
       liststr="AJAX中文乱码的简单解决方法"
       sponse.write escape(liststr) '用escape编码
%> .

           2、客户端JAVASCRIPT程序
function toserver(url) .

{
var req = new XMLHttpRequest();
  if (req) {
   req.onreadystatechange = function() {
    if (req.readyState == 4 )
    {
     if(req.status == 200 || req.status == 304) {
       getstr=unescape(req.responseText)  '用unescape解码
             alert(getstr);
}
                    else
     {return false;}
    }
   }
         req.open('GET',  url);
   req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
   req.send(null);
} .

}